Portland Harbour - Sandsfoot Castle (Beach) (Dorset) weather

Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.



Forecast days

Clear.
🏖️ Beach safety today:

Enjoy the beach but be aware of your surroundings and look out for conditions like rip currents

• novice surfers, paddleboarders or kayakers should seek advice

Tide: Next low tide (0.9m) at

Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
No pollen data.

    7 day forecast for Portland Harbour - Sandsfoot Castle (Beach)

    Today (18 March 2025)
    Time
    22:00
    23:00
    Weather symbols
    Clear night
    Clear night
    Chance of precipitation
    <5%
    <5%
    Temperature
    Feels like temperature (°C)
    Wind direction and speed
    E
    10
    ENE
    9
    Wind gust (mph)
    21
    18
    Visibility
    VG
    VG
    Humidity
    75%
    78%
    UV
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.7
    0.6
    Period of waves offshore (s)
    12
    12
    Direction of waves offshore
    Wednesday (19 March 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols
    Clear night
    Clear night
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ENE
    8
    ENE
    8
    ENE
    8
    ENE
    9
    NE
    9
    ENE
    9
    ENE
    9
    ENE
    10
    ENE
    9
    ENE
    9
    E
    9
    ESE
    9
    ESE
    8
    ESE
    9
    ESE
    9
    E
    9
    E
    9
    E
    9
    E
    8
    E
    8
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    6
    Wind gust (mph)
    16
    16
    18
    18
    18
    17
    16
    16
    15
    14
    14
    14
    14
    13
    13
    14
    14
    14
    14
    14
    14
    14
    13
    12
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    83%
    83%
    84%
    85%
    85%
    86%
    87%
    87%
    86%
    85%
    83%
    82%
    78%
    79%
    81%
    82%
    84%
    84%
    84%
    85%
    85%
    85%
    86%
    85%
    UV
    -
    -
    -
    -
    -
    -
    1
    1
    1
    1
    2
    2
    3
    2
    2
    1
    1
    1
    1
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    10
    10
    10
    10
    10
    10
    10
    Direction of waves offshore
    Thursday (20 March 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Partly cloudy night
    Partly cloudy night
    Sunny day
    Sunny day
    Sunny day
    Sunny day
    Clear night
    Clear night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    13°
    13°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    ENE
    6
    ENE
    6
    E
    6
    E
    9
    E
    13
    E
    16
    E
    15
    E
    15
    Wind gust (mph)
    14
    14
    15
    17
    23
    25
    27
    25
    Visibility (description)
    G
    G
    M
    G
    VG
    VG
    VG
    G
    Humidity
    85%
    91%
    93%
    84%
    74%
    69%
    75%
    78%
    UV
    -
    -
    1
    1
    3
    1
    1
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.5
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    10
    10
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Friday (21 March 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Partly cloudy night
    Cloudy
    Cloudy
    Cloudy
    Light rain
    Light shower day
    Partly cloudy night
    Cloudy
    Chance of precipitation
    10%
    50%
    50%
    40%
    60%
    60%
    40%
    40%
    Temperature (°C)
    11°
    10°
    10°
    11°
    13°
    12°
    12°
    10°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed (mph)
    E
    14
    E
    14
    ESE
    13
    ESE
    13
    SE
    14
    SE
    13
    SE
    12
    SE
    10
    Wind gust (mph)
    26
    26
    25
    22
    22
    21
    20
    17
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    VG
    VG
    Humidity
    81%
    84%
    88%
    87%
    87%
    89%
    93%
    93%
    UV
    -
    -
    1
    1
    2
    1
    1
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.6
    0.7
    0.7
    0.8
    0.8
    0.8
    0.9
    0.8
    Period of waves offshore (s)
    10
    10
    10
    13
    10
    9
    6
    5
    Direction of waves offshore
    Saturday (22 March 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Cloudy
    Cloudy
    Overcast
    Cloudy
    Light shower day
    Light rain
    Overcast
    Chance of precipitation
    40%
    40%
    50%
    50%
    50%
    60%
    60%
    50%
    Temperature (°C)
    10°
    11°
    12°
    12°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SE
    10
    SE
    11
    SE
    12
    SE
    13
    SE
    14
    SSE
    13
    SE
    10
    SE
    10
    Wind gust (mph)
    15
    17
    21
    19
    21
    19
    16
    14
    Visibility (description)
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    94%
    94%
    92%
    91%
    88%
    89%
    92%
    UV
    -
    -
    1
    1
    2
    1
    1
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.9
    0.8
    0.7
    0.7
    0.8
    0.8
    0.9
    0.8
    Period of waves offshore (s)
    6
    10
    11
    11
    11
    15
    14
    6
    Direction of waves offshore
    Sunday (23 March 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Cloudy
    Overcast
    Overcast
    Cloudy
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    40%
    40%
    30%
    30%
    30%
    30%
    20%
    20%
    Temperature (°C)
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    8
    W
    8
    WSW
    8
    NW
    9
    WSW
    11
    SW
    10
    W
    8
    NW
    6
    Wind gust (mph)
    13
    13
    14
    16
    17
    17
    9
    9
    Visibility (description)
    G
    G
    G
    G
    G
    G
    VG
    G
    Humidity
    94%
    94%
    94%
    88%
    81%
    75%
    85%
    92%
    UV
    -
    -
    1
    1
    2
    1
    1
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.8
    0.6
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    7
    10
    9
    9
    9
    8
    8
    8
    Direction of waves offshore
    Monday (24 March 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Partly cloudy night
    Cloudy
    Cloudy
    Cloudy
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    11°
    12°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    N
    6
    N
    7
    NNE
    6
    NNE
    9
    NNE
    10
    N
    9
    N
    7
    N
    6
    Wind gust (mph)
    11
    12
    14
    17
    18
    16
    12
    12
    Visibility (description)
    G
    G
    G
    G
    G
    G
    VG
    G
    Humidity
    92%
    94%
    93%
    86%
    73%
    73%
    81%
    83%
    UV
    -
    -
    1
    1
    2
    1
    1
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.4
    Period of waves offshore (s)
    8
    Direction of waves offshore

    Tide times

    Tuesday 18 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 18 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 18 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 18 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 19 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 19 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 19 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 19 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 20 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 20 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 20 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 20 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 21 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 21 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 21 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 21 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 22 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 22 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 22 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 22 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 23 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 23 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 23 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 23 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 24 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 24 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 24 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 24 March

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    UK video forecast

    Portland Harbour - Sandsfoot Castle (Beach) weather map

    View the weather with our interactive map

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    WARNING
    Flood warnings icon
    Flood warnings in force for England
    Flood warnings in force for England

    South West England weather forecast

    Headline:

    Sunny and increasingly warm over the coming days.

    This Evening and Tonight:

    Clear skies and light winds will allow temperatures to quickly fall away after dark, leading to a chilly night with a patchy frost. A few mist patches possible in the east. Minimum temperature 0 °C.

    Wednesday:

    After a cold and frosty start, the rest of Wednesday will be dry, sunny and warm with light winds. High cloud may turn the sunshine hazy at times. Maximum temperature 16 °C.

    Outlook for Thursday to Saturday:

    Warm, dry and sunny on Thursday. Increasingly cloudy through Friday with outbreaks of rain. Cloudy on Saturday with a chance of rain and a feeling cooler.

    Updated:

    UK long range weather forecast

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